Tag: 4l60

The Turbo Hydramatic 4L60E transmission, a pivotal component in the evolution of automatic transmissions, has a rich history rooted in General Motors’ (GM) ongoing pursuit of innovation. Known for its durability, adaptability, and widespread use, the 4L60E has become a cornerstone in GM’s transmission lineup. This article explores the history, development, and significance of the 4L60E, tracing its journey from inception to becoming one of the most recognizable transmissions in the automotive industry.

Early Origins: The Turbo Hydramatic Series

The story of the 4L60E begins with GM’s development of the Turbo Hydramatic series in the 1960s. The Turbo Hydramatic 350 (TH350) and Turbo Hydramatic 400 (TH400) were among the most popular automatic transmissions of their time, known for their reliability and performance. Introduced in 1969, the TH350 was a light-duty three-speed automatic transmission designed to replace the earlier Powerglide and Super Turbine transmissions. The TH400, on the other hand, was a heavy-duty three-speed automatic transmission [...]